Fig. 1
From: Mucin in benign thyroid nodules: treatment related change or not?

The thyroid nodules showed subepithelial, stromal mucin (a-d: black arrows), stained blue on Alcian blue stain. Hematoxilin and eosin stain a, b; Alcian blue stain c, d. Original magnification × 20 A, × 10 B × 40 (c, d)